import pandas as pd
import numpy as np
import time
train_dataset = pd.read_csv(filepath_or_buffer = 'train.csv', 
                              nrows=50000)
test_dataset=pd.read_csv(filepath_or_buffer = 'test.csv',nrows=50000)
print(train_dataset.head(n=10))
print(test_dataset.head(n=10))
print(train_dataset.isnull().sum())
print(train_dataset.describe())


